The Vivo Y21L is powered by 1.2GHz quad-core Snapdragon 410 processor and it comes with 1GB of RAM. The phone packs 16GB of internal storage that can be expanded up to 128GB via a microSD card. As far as the cameras are concerned, the Vivo Y21L packs a 5-megapixel primary camera on the rear and a 2-megapixel front shooter for selfies. The Vivo Y21L runs Android 5.1 and is powered by a 2000mAh removable battery. It measures 130.70 x 66.40 x 9.20 (height x width x thickness) and weigh 145.00 grams. The Vivo Y21L is a dual SIM (GSM and GSM) smartphone that accepts Regular and Regular. Connectivity options include Wi-Fi, GPS, Bluetooth, USB OTG, FM, 3G and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include Compass Magnetometer, Proximity sensor, Accelerometer and Ambient light sensor.